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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009126644497 1,948 digits created 2026-09-01

Value

8954407586161522276809354541362806883214918698091410121365780469360827418414956776386261366002738705396085256338070431539539357791027120523699259553001991564978127964240466088041210262556528885281798192399840668057236646299752979511604855256053521392369492175125695829861868319088723212183909844716008875797750770468775033503594549987221926397122115231408475223231124043349539579604849613004086671936225506222240188345588941384845559439969871863904184490752800798718500835581798488309161999169975020694834539013322629364279450001580215278862729782389561737829723453185069733526491409140587627186927309886575314961059881621993407959592996869785501246126632090623305316087375615807858445271779274328923310073477034949807142280460656264798257565670812617268006158786628537836483393120183093434757950154602954391411905932615456454167672061857416508227026670205982827354244692851741463198688575317858165742395987166494299356053995351957307992460606474484570840178551358687769556352366366580799668608345636098462279625350819928913162338725012199585291807235946558604955240670788203397541124354938746003438705080043667807116327064352736571246402866000211155980567686605707904215863355384632946727389770511022030103597692449100614816989410510817721224595664440496254727796928283147083513657361652563766037859956277212328832459271320159304076550567580022934303450827121695380003989799413116759268420186606014641448703026450022440955526776366219352605533340791613258397486794997817723160362969722883305871812021166853244908233613279017381855108222882202636680038248942472077453967440318984681305430023889380867012531870084708963177705164989025564618314256290108643509699317740678485600362092922936408856119639258007155453728999519617448369889862425478669378552436357758384401815793565277121819586753222599981356959980593224912965298043194418880086555220768779290319916381692383996218950688819719237565315236359957469026183785370005829785601315879082173654467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 114 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 114 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644497 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009126644497},"decimal":true,"detail":2}}'